TY  - BOOK
AU  - MITCHELL, D S, Ed.
TI  - Aquatic vegetation and its use and control                                                                              
PY  - 1974///
PB  - Unesco                                                      
KW  -  HYDROLOGY  | OCEANOGRAPHY  | OCEANS  | AQUATIC PLANTS  | HYDROGEOLOGY  | GEOLOGY  | GEOMORPHOLOGY
ER  -